TPS54622RHLT Semiconductors - ICs by Texas Instruments

DC-DC CONV BUCK 1.6MHZ QFN-14

Status: Unknown
Series: -
RoHS: Unknown
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The TPS54622 device in thermally enhanced 3.5-mm × 3.5-mm VQFN package is a full-featured 17-V, 6-A synchronous step-down converter which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count, and by selecting a high switching frequency, reducing the footprint of the inductor. The output voltage start-up ramp is controlled by the SS/TR pin which allows operation as either a standalone power supply or in tracking situations. Power sequencing is also possible by correctly configuring the enable and the open-drain power good pins. Cycle-by-cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. There is also a low-side sinking current limit which turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection will be triggered if the overcurrent condition has persisted for longer than the preset time. Thermal hiccup protection disables the device when the die temperature exceeds the thermal shutdown temperature and enables the part again after the built-in thermal shutdown hiccup time.
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Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 17V
No. of Outputs 1Outputs
DC / DC Converter IC Case VQFN
No. of Pins 14Pins
Output Current 6A
Output Voltage Min 600mV
Output Voltage Max 15V
Switching Frequency 1.6MHz
Operating Temperature Max 150°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Operating Temperature Min -40°C
Primary Input Voltage 17V

Alternative Descriptions

4.5-V to 17-V, 6-A synchronous SWIFT™ buck converter with hiccup current limit | Texas Instruments
DC-DC CONV, BUCK, 1.6MHZ, QFN-14 | Farnell

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